uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/build-support/dotnet/build-dotnet-module/hooks/dotnet-check-hook.sh

@@ -0,0 +1,34 @@
+# inherit arguments from derivation
+dotnetTestFlags=( ${dotnetTestFlags[@]-} )
+
+dotnetCheckHook() {
+    echo "Executing dotnetCheckHook"
+
+    runHook preCheck
+
+    if [ "${disabledTests-}" ]; then
+        disabledTestsFlag="--filter FullyQualifiedName!=@disabledTests@"
+    fi
+
+    for project in ${testProjectFile[@]}; do
+        env \
+            dotnet test "$project" \
+              -maxcpucount:$maxCpuFlag \
+              -p:ContinuousIntegrationBuild=true \
+              -p:Deterministic=true \
+              --configuration "@buildType@" \
+              --no-build \
+              --logger "console;verbosity=normal" \
+              ${disabledTestsFlag-} \
+              "${dotnetTestFlags[@]}"  \
+              "${dotnetFlags[@]}"
+    done
+
+    runHook postCheck
+
+    echo "Finished dotnetCheckHook"
+}
+
+if [[ -z "${dontDotnetCheck-}" && -z "${checkPhase-}" ]]; then
+    checkPhase=dotnetCheckHook
+fi